134 ACONITUM. 
Sepals early deciduous; stature not dwarf :-- 
Cambium of tubers discontinuous, forming in cross-section 
circular or tangentially flattened to ^ horseshoe-shaped 
strands :— 
Nectary-hood very slender with a minute lip; carpels 
quite glabrous; taste of tubers intensely and pure 
bitter, not followed by any tingling sensation 
Nectary-hood wide with a rather large lip; carpels hairy ; 
taste of tubers rather indifferent, followed by a strong 
anl persistent tingling sensation :— 
Inflorescence and carpels greyish pubescent; leaves divided 
almost to the base, ultimate divisions narrow; carpels 
а еа к e - 
Inflorescence and carpels spreadingly yellowish tomentose; 
leaves rather less divided than in the preceding 
species, ultimate divisions broad; carpels 5 . . . 
Cambium continuous, forming in cross-section a more or less 
sinnous ring:— : 
Plants 4 ш. to more than 1 m. high, with more or less 
robust or terete stems; tubers 2°25—20 om. long, with 
a slightly bitter or indifferent taste, followed by a severe 
and tingling sensation :— 3 | 
Secondary sieve-strands of mother-tubers not encased in 
sclerenchymatic sheaths; lip of nectary widened 
from the base upwards; leaf-segments not or slightly 
divaricate :— 
Leaves divided to 6 in the inner, to $ or less in the 
outer incisions, ultimate divisions rather broad ; 
carpels 5; follicles 10—18 mm. long :— 
Intermediate leaf-division thomboid-cuneate, sparingly 
and coarsely inciso-crenate ; nectary-hood much 
leaning forward, slightly widened at the top, 
scarcely gibbous; carpels glabrous cr nearly so; 
g . . LI ` . . . . . . . . LI La . . 
Leaves divided almost to the very base, ultimate 
divisions narrow ; carpels mostly 3; follicles 18— 
20 юш dp... 255028 
Secondary  sieve-strands of mother-tubers encased іп 
sclerenchymatic sheaths, forming persistent fibres ; 
lip of nectary narrow; ]eaf-segments conspicuously 
TE 
Plants under 0'5 m. high, with slender, more or less angular 
stems; tubers 0:6--9-5 em. long :— | 
Leaf-divisions ovate or ovate-lanceolate, acute, multicrenate . 
Leaf-divisions (at least the intermediate) rhomboid, inciso- 
aenate or laciniate, laciniae mostly narrow, subobtuso . 
11. A. palmatum. 
12. А. deinorrhizum. 
13. A. Balfeurii. 
14, A. Falconeri, 
15. A. spicatum. 
16, A. laciniatum. 
17. A. feroz, 
IE £ heterophyi- 
oides, 
19. A. ¿euzanthum, 
ERIT wau 
эзе фаза 
